/*******************************************************************************
 * This file is part of blueprint4j www.blueprint4j.org.
 * 
 *     blueprint4j is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     blueprint4j is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser General Public License for more details.
 * 
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with blueprint4j. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package blueprint4j.comm;

import java.io.*;

import blueprint4j.utils.*;

public class Router implements ThreadScheduable {

   private InputStream instream_source = null,instream_dest = null;
   private OutputStream outstream_source = null,outstream_dest = null;
   private boolean debug = false;
   private FileOutputStream fileout = null;

   public Router() {
      ThreadSchedule.add(this);
   }

   public Router(boolean debug)
   throws IOException {
      this();
      this.debug = debug;
      fileout = new FileOutputStream(Settings.getString("system.router.debug.filename","router_debug.txt"));
   }

   public boolean keepAlive() {
      return true;
   }

   public int sleepTime() {
      return 50;
   }

   /**
    * Route from source to dest
    */
   public void process()
   throws Throwable {
      byte[] source = new StreamableInNone(instream_source).readBuffer();
      byte[] dest = new StreamableInNone(instream_dest).readBuffer();
      if (debug) {
         if (source != null) {
				fileout.write(("> ").getBytes());
            fileout.write(source);
			}
         if (dest != null) {
				fileout.write(("< ").getBytes());
            fileout.write(dest);
			}
      }
   }

   public void close() throws Throwable {}

}
